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<title>crici - collecting relevant images context information</title>
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<script type="text/javascript">
	
	/***********************************************
	* Image w/ description tooltip- By Dynamic Web Coding (www.dyn-web.com)
	* Copyright 2002-2007 by Sharon Paine
	* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
	***********************************************/
	
	/* IMPORTANT: Put script after tooltip div or 
		 put tooltip div just before </BODY>. */
	
	var dom = (document.getElementById) ? true : false;
	var ns5 = (!document.all && dom || window.opera) ? true: false;
	var ie5 = ((navigator.userAgent.indexOf("MSIE")>-1) && dom) ? true : false;
	var ie4 = (document.all && !dom) ? true : false;
	var nodyn = (!ns5 && !ie4 && !ie5 && !dom) ? true : false;
	
	var origWidth, origHeight;
	
	// avoid error of passing event object in older browsers
	if (nodyn) { event = "nope" }
	
	///////////////////////  CUSTOMIZE HERE   ////////////////////
	// settings for tooltip 
	// Do you want tip to move when mouse moves over link?
	var tipFollowMouse= true;	
	// Be sure to set tipWidth wide enough for widest image
	var tipWidth= 400;
	var tipHeight = 300;
	var offX= 20;	// how far from mouse to show tip
	var offY= 12; 
	var tipFontFamily= "Verdana, arial, helvetica, sans-serif";
	var tipFontSize= "8pt";
	// set default text color and background color for tooltip here
	// individual tooltips can have their own (set in messages arrays)
	// but don't have to
	var tipFontColor= "#000000";
	var tipBgColor= "#DDECFF"; 
	var tipBorderColor= "#000080";
	var tipBorderWidth= 3;
	var tipBorderStyle= "ridge";
	var tipPadding= 4;
	
	// tooltip content goes here (image, description, optional bgColor, optional textcolor)
	var messages = new Array();
	// multi-dimensional arrays containing: 
	// image and text for tooltip
	// optional: bgColor and color to be sent to tooltip
	messages[0] = new Array('red_balloon.gif','',"#FFFFFF");
	messages[1] = new Array('duck2.gif','',"#DDECFF");
	messages[2] = new Array('test.gif','','black','white');
	
	////////////////////  END OF CUSTOMIZATION AREA  ///////////////////
	
	// preload images that are to appear in tooltip
	// from arrays above
	if (document.images) {
		var theImgs = new Array();
		for (var i=0; i<messages.length; i++) {
			theImgs[i] = new Image();
			theImgs[i].src = messages[i][0];
		}
	}
	
	// to layout image and text, 2-row table, image centered in top cell
	// these go in var tip in doTooltip function
	// startStr goes before image, midStr goes between image and text
	var startStr = '<table height="' + tipHeight + '" width="' + tipWidth + '"><tr><td align="center" width="100%"><img ';
	var midStr = '" border="0"></td></tr><tr><td valign="top">';
	var endStr = '</td></tr></table>';
	
	////////////////////////////////////////////////////////////
	//  initTip	- initialization for tooltip.
	//		Global variables for tooltip. 
	//		Set styles
	//		Set up mousemove capture if tipFollowMouse set true.
	////////////////////////////////////////////////////////////
	var tooltip, tipcss;
	function initTip() {
		if (nodyn) return;
		tooltip = (ie4)? document.all['tipDiv']: (ie5||ns5)? document.getElementById('tipDiv'): null;
		tipcss = tooltip.style;
		if (ie4||ie5||ns5) {	// ns4 would lose all this on rewrites
			tipcss.width = tipWidth+"px";
			tipcss.fontFamily = tipFontFamily;
			tipcss.fontSize = tipFontSize;
			tipcss.color = tipFontColor;
			tipcss.backgroundColor = tipBgColor;
			tipcss.borderColor = tipBorderColor;
			tipcss.borderWidth = tipBorderWidth+"px";
			tipcss.padding = tipPadding+"px";
			tipcss.borderStyle = tipBorderStyle;
		}
		if (tooltip&&tipFollowMouse) {
			document.onmousemove = trackMouse;
		}
	}
	
	window.onload = initTip;
	
	/////////////////////////////////////////////////
	//  doTooltip function
	//			Assembles content for tooltip and writes 
	//			it to tipDiv
	/////////////////////////////////////////////////
	var t1,t2;	// for setTimeouts
	var tipOn = false;	// check if over tooltip link
	
	function doTooltip(evt,num,imgsrc,title, heig, widt) {
		if (!tooltip) return;
		if (t1) clearTimeout(t1);	if (t2) clearTimeout(t2);
		tipOn = true;
		// set colors if included in messages array
		if (messages[num][2])	var curBgColor = messages[num][2];
		else curBgColor = tipBgColor;
		if (messages[num][3])	var curFontColor = messages[num][3];
		else curFontColor = tipFontColor;
		if (ie4||ie5||ns5) {
			var tip = startStr + ' height="' + heig + '" width="' + widt + '" src="' + imgsrc + midStr + '<span style="font-family:' + tipFontFamily + '; font-size:' + tipFontSize + '; color:' + curFontColor + ';"><center>' + title + '</center></span>' + endStr;
			tipcss.backgroundColor = curBgColor;
			tooltip.innerHTML = tip;
		}
		if (!tipFollowMouse) positionTip(evt);
		else t1=setTimeout("tipcss.visibility='visible'",100);
	}
	
	var mouseX, mouseY;
	function trackMouse(evt) {
		standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body //create reference to common "body" across doctypes
		mouseX = (ns5)? evt.pageX: window.event.clientX + standardbody.scrollLeft;
		mouseY = (ns5)? evt.pageY: window.event.clientY + standardbody.scrollTop;
		if (tipOn) positionTip(evt);
	}
	
	/////////////////////////////////////////////////////////////
	//  positionTip function
	//		If tipFollowMouse set false, so trackMouse function
	//		not being used, get position of mouseover event.
	//		Calculations use mouseover event position, 
	//		offset amounts and tooltip width to position
	//		tooltip within window.
	/////////////////////////////////////////////////////////////
	function positionTip(evt) {
		if (!tipFollowMouse) {
			standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body
			mouseX = (ns5)? evt.pageX: window.event.clientX + standardbody.scrollLeft;
			mouseY = (ns5)? evt.pageY: window.event.clientY + standardbody.scrollTop;
		}
		// tooltip width and height
		var tpWd = (ie4||ie5)? tooltip.clientWidth: tooltip.offsetWidth;
		var tpHt = (ie4||ie5)? tooltip.clientHeight: tooltip.offsetHeight;
		// document area in view (subtract scrollbar width for ns)
		var winWd = (ns5)? window.innerWidth-20+window.pageXOffset: standardbody.clientWidth+standardbody.scrollLeft;
		var winHt = (ns5)? window.innerHeight-20+window.pageYOffset: standardbody.clientHeight+standardbody.scrollTop;
		// check mouse position against tip and window dimensions
		// and position the tooltip 
		if ((mouseX+offX+tpWd)>winWd) 
			tipcss.left = mouseX-(tpWd+offX)+"px";
		else tipcss.left = mouseX+offX+"px";
		if ((mouseY+offY+tpHt)>winHt) 
			tipcss.top = winHt-(tpHt+offY)+"px";
		else tipcss.top = mouseY+offY+"px";
		if (!tipFollowMouse) t1=setTimeout("tipcss.visibility='visible'",100);
	}
	
	function hideTip() {
		if (!tooltip) return;
		t2=setTimeout("tipcss.visibility='hidden'",100);
		tipOn = false;
	}
	
	document.write('<div id="tipDiv" style="position:absolute; visibility:hidden; z-index:100"></div>')

</script>

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    &copy; <a href="mailto:borge.jakobsen@gmail.com">Børge Jakobsen</a>  - <a href="http://www.uit.no" target="_blank">Universitetet i Tromsø</a> 2009</div></td>
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